[Gekidou] Add push notification check to ping (#19610)

* Add push notification check to ping

* Add test type and missing details

* Address feedback

* Fix function name

* Address feedback

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

model/push_notification.go

@@ -17,6 +17,7 @@ const (
 	PushTypeClear       = "clear"
 	PushTypeUpdateBadge = "update_badge"
 	PushTypeSession     = "session"
+	PushTypeTest        = "test"
 	PushMessageV2       = "v2"
 
 	PushSoundNone = "none"